Possible Clues:

• Composer who could be regal
• Uplifting piano music by the French composer
• Some of his work variable? Enigmatic?
• English composer of the symphonic study 'Falstaff'
• Composer turning fifty in years, right?
• Capable of composing the Spanish turning up to make fun
• English composer of the symphonic study "Falstaff"
• Large composer meets British musical writer
• 2 looking discontented, musical talent claims
• Sir Edward —, composer